Derived from Andrew, which is of Greek origin meaning 'manly', Andrean is a variant spelling that has been used infrequently throughout history. It was particularly popular during the Middle Ages, with notable individuals like Saint Andrean of Montereale, an Italian bishop who lived in the 13th century.
Andrean was quite popular in 1990 with 5 births that year, making up the total of 5 babies named Andrean overall.